2. 计算机
  3. Software products may be (1)into four basic types: application programs, programming language processors, operating systems, and

Software products may be (1)into four basic types: application programs, programming language processors, operating systems, and

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问题 Software products may be (1)into four basic types: application programs, programming language processors, operating systems, and system utilities.
   Application programs are programs that (2) useful tasks such as solving statistical problems, or keeping your company’s books.
   Programming language processors are programs that (3) the use if a computer language in a computer system. They are tools for the development of application programs.
   Operation systems are programs that (4) the system resources and enable you to run application programs.
   System utilities are special programs that (5) the usefulness of or add capabilities to a computer.
选项 A、manage
B、perform
C、support
D、enhance
E、divided
答案D
解析 译文的含义是：软件产品可以((1))4种基本类型：应用程序、语言处理程序、操作系统和系统实用程序。
   应用程序用来((2))有用的任务，比如解决统计问题，或者管理公司账目。
   语言处理程序((3))计算机语言在计算机系统中的使用。它们是开发应用程序
的工具。
   操作系统的作用是((4))系统资源，使得用户可以运行应用程序。
   系统实用程序是特殊的程序，它们((5))计算机的使用性，或者说，提高了计算机的应用能力。
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